the membrane and the outer material form an inseparable unity

2012 BMW R1200RT ABS

use what the pro uses

After using laminates

Ultimax - PRO Drive Belt (138-4548U4) K-Type-Lowering Suspensions the membrane and the outerUltimax PRO features a thicker cross section so more surface area contacts the clutch. This means less slippage over a broader speed range for quicker acceleration. The cog design dissipates heat and aids flexibility. A cooler running belt delivers enhanced performance and longer belt life. One Year Warranty. Proudly made in the USA. High Performance Sleds Double cog flexibility Cooler for more power High performance Precise manufacturing Built for